A water bag mouthpiece
By incorporating a one-way valve and elastic element within the water bag nozzle, the problem of poor sealing performance in existing water bag nozzles is solved, achieving rapid water usage and sealing, making it suitable for various outdoor activities and special applications.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- QUANZHOU DENGJI OUTDOOR PROD CO LTD
- Filing Date
- 2025-09-09
- Publication Date
- 2026-07-10
AI Technical Summary
Existing water bag nozzles suffer from poor sealing performance, easy leakage, seepage, and inconvenience in use. In particular, the poor resilience of the nozzle and the single-point sealing structure increase the difficulty and cost of processing.
A water bag nozzle was designed, which features a one-way valve body inside the suction nozzle. The channel is sealed by a first plug and a second plug, and the valve body is sealed under the action of elastic force using an elastic element and a limiting unit to prevent liquid leakage. The sealing performance is improved by combining a conical structure and a rubber sealing ring.
It achieves rapid water use and sealing, avoiding leakage and seepage problems, improving ease of use and sealing performance, and is suitable for various outdoor activities and special equipment.
Smart Images

Figure CN224477286U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a water bag nozzle. Background Technology
[0002] In today's rapidly developing economy, people have higher and higher requirements for quality of life. Outdoor sports, as an emerging leisure activity, can not only exercise the body, but also relieve the pressure brought by busy work. Therefore, outdoor sports are becoming more and more popular. With the increase in outdoor life, the application of outdoor drinking water tools is also becoming more and more widespread. At the same time, in order to match the characteristics of outdoor sports, squeeze water bags have become the main hydration tool.
[0003] Current suction nozzles include fixed nozzles that are attached to the bag body, and caps that can be set on the bag body to seal the nozzle. These nozzles do not automatically seal, making them inconvenient to use and prone to hygiene problems. Chinese utility model patent CN205686826U discloses a safe and environmentally friendly suction nozzle, whose basic structure includes: a nozzle cover, a nozzle, a nozzle core, a pull-out seat, and a nozzle connector. However, it has the following drawbacks:
[0004] 1. The nozzle has poor resilience, which can easily lead to short-term leaks;
[0005] 2. Using a structure with only one end seal increases processing difficulty and cost, and the sealing performance cannot be effectively guaranteed, making it prone to problems such as water leakage;
[0006] 3. When the nozzle cap and nozzle are sealed together, air may easily get trapped inside, causing problems with smooth assembly.
[0007] In view of this, the inventors of this case conducted in-depth research on the above-mentioned problems, which led to the creation of this case. Utility Model Content
[0008] The purpose of this utility model is to provide a water bag nozzle that improves the sealing performance of the nozzle and avoids problems such as leakage and seepage. Users can quickly use water and seal the water by biting it.
[0009] To achieve the above objectives, this utility model adopts the following technical solution:
[0010] A water bag mouthpiece includes a mouthpiece body connected to a water bag. The mouthpiece body includes a sucking mouthpiece for sucking, a fixed mouthpiece connected to the water bag, and a connecting joint for connecting the sucking mouthpiece and the fixed mouthpiece. The sucking mouthpiece and the fixed mouthpiece are respectively sleeved on both ends of the connecting joint. Channels are provided inside the sucking mouthpiece, the connecting joint, and the fixed mouthpiece. The upper and lower ends of each channel are designed to be open, and the interiors of each channel are interconnected. A valve body for opening and closing the channel of the sucking mouthpiece is provided in the channel of the sucking mouthpiece. The valve body is movably disposed in the channel of the sucking mouthpiece.
[0011] In a preferred embodiment of this utility model, the sucking mouth includes a first opening away from the connecting joint and a second opening close to the connecting joint. The valve body includes a first plug for opening and closing the first opening, a second plug for opening and closing the second opening, and a water passage section connecting the first plug and the second plug. A water passage cavity is formed between the outer wall of the water passage section and the inner wall of the channel of the sucking mouth. A water flow cavity is formed between the inner wall of the first opening and the outer wall of the first plug, and between the inner wall of the second opening and the outer wall of the second plug. When the sucking mouth is squeezed and the valve body moves downward, the water flow cavity is connected to the water passage groove.
[0012] In a preferred embodiment of this utility model, a conical platform is provided on the water passage section near the first plug, and the outermost end of the suction mouth is provided with a conical opening adapted to the conical platform. The outer surface of the suction mouth is provided with an annular groove corresponding to the position of the inner cavity of the cone, and the annular groove forms the biting part of the suction mouth.
[0013] In a preferred embodiment of this utility model, an elastic element is further provided between the valve body and the second opening. An extension section extends outward from the outer wall of the water passage section, and an extension platform extends upward from the second opening for placing the elastic element. The elastic element is sleeved on the outside of the valve body and located between the extension section and the extension platform. Under the elastic force of the elastic element, the valve body is restricted from moving downward, so that the valve body is in a state of sealing the channel of the suction nozzle.
[0014] In a preferred embodiment of the present invention, a limiting unit is provided between the outer wall of the water passage section and the connecting joint to restrict the upward movement of the valve body under the elastic force of the elastic element. The limiting unit includes a hook portion disposed on the outer side of the water passage section and a through hole disposed on the side wall of the connecting joint, wherein the hook portion is movably disposed in the through hole.
[0015] In a preferred embodiment of the present invention, the diameter of the first opening gradually narrows from the second opening along the direction of the first opening, and the outer diameter of the first plug is adapted to the inner diameter of the first opening; the diameter of the second opening gradually widens from the second opening along the direction of the first opening, and the outer diameter of the second plug is adapted to the inner diameter of the second opening.
[0016] In a preferred embodiment of the present invention, the valve body has an extension column extending downward near the second plug, and the outer wall of the extension column is provided with a first groove, on which a rubber sealing ring to prevent liquid leakage is tightly wrapped.
[0017] In a preferred embodiment of the present invention, the inner side wall of the channel of the fixed bag mouth is provided with a limiting step, and the connecting joint is provided with a first protruding ring adapted to the limiting step on the limiting step. The first protruding ring engages with the limiting step to fix the fixed bag mouth and the connecting joint.
[0018] The lower end of the connector is provided with a second groove, which is located close to the connection and fixing position of the connector and the fixing bag mouth. A rubber sealing ring to prevent liquid leakage is tightly wrapped in the second groove.
[0019] In a preferred embodiment of this utility model, the sucking mouth is connected to a pull rope and a protective cap provided at the extended end of the pull rope and capable of covering the sucking mouth.
[0020] In a preferred embodiment of this utility model, the fixed bag mouth includes a connecting section connected to the connecting joint and a fixed end connected to the water bag, and the included angle between the connecting end and the fixed section is 120-140 degrees.
[0021] By adopting the aforementioned design scheme, the beneficial effects of this utility model are as follows: a one-way valve body is set in the channel of the sucking mouth, and the channel of the sucking mouth is sealed by the first plug and the second plug together to control the inflow and outflow of liquid. At the same time, the valve body forms a sealed tank under the pressure of the elastic element, which solves the problem of water leakage caused by slow elasticity. When the mouth is released, the valve body is driven upward by the elastic force of the elastic element to reset and close. With multiple protections, the sealing performance is very high. This utility model can be installed in a variety of appliances, such as outdoor drinking water appliances, balloon appliances, etc. Attached Figure Description
[0022] Figure 1 This is a schematic diagram of the structure of Embodiment 1 of the present utility model;
[0023] Figure 2 for Figure 1Cross-sectional view of AA (sealed condition);
[0024] Figure 3 for Figure 1 Cross-sectional view of BB (sealed condition);
[0025] Figure 4 for Figure 1 Cross-sectional view of CC (sealed state);
[0026] Figure 5 for Figure 1 A cross-sectional view of the middle CC (occlusal state);
[0027] Figure 6 This is an exploded view of Embodiment 1 of the present invention;
[0028] Figure 7 This is a schematic diagram of the structure of Embodiment 2 of this utility model;
[0029] In the diagram: Suction nozzle 1, First opening 11, Second opening 12, Water passage chamber 13, Water flow chamber 14, Ring groove 15, Extension platform 16, Fixed bag mouth 2, Limiting step 21, Connecting section 22, Fixed end 23, Connecting joint 3, Through hole 31, First convex ring 32, Second groove 33, Valve body 4, First plug 41, Second plug 42, Water passage section 43, Conical platform 431, Extension section 432, Hook 433, Extension column 44, First groove 441, Elastic element 5, Rubber sealing ring 6, Pull rope 71, Protective cap 72. Detailed Implementation
[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0031] Example 1
[0032] Reference Figures 1 to 6 ,in Figure 6 The solid lines and arrows together indicate the direction of force applied when pressing or biting down on the mouthpiece 1, while the dashed lines and arrows together indicate the direction of liquid flow when the user sucks the liquid in the water bag while biting down.
[0033] A water bag nozzle includes a nozzle body attached to a water bag (not shown) or a water bottle. It is worth noting that the water bag or water bottle in this embodiment is a commercially available, usable water storage device, and will not be described in detail here.
[0034] The suction mouthpiece body includes a suction mouthpiece 1 for sucking, a fixed mouthpiece 2 for connecting to a water bag or water bottle, and a connecting connector 3 for connecting the suction mouthpiece 1 and the fixed mouthpiece 2. The suction mouthpiece 1 and the fixed mouthpiece 2 are respectively fitted onto the upper and lower ends of the connecting connector 3. Channels are provided inside the suction mouthpiece 1, the connecting connector 3, and the fixed mouthpiece 2. The upper and lower ends of each channel are open, and the interiors of each channel are interconnected. It is worth noting that the suction mouthpiece 1 in this embodiment is made of soft rubber with good elasticity, which makes it easy for the user to bite and squeeze the suction mouthpiece 1.
[0035] A valve body 4 for opening and closing the channel of the suction mouth 1 is provided inside the channel of the suction mouth 1. The valve body 4 is movably disposed inside the channel of the suction mouth 1. Specifically, the suction mouth 1 includes a first opening 11 away from the connecting connector 3 and a second opening 12 close to the connecting connector 3.
[0036] The valve body 4 includes a first plug 41 for opening and closing the first opening 11, a second plug 42 for opening and closing the second opening 12, and a water passage section 43 connecting the first plug 41 and the second plug 42. A water passage cavity 13 is formed between the outer wall of the water passage section 43 and the inner wall of the channel of the suction nozzle 1. A water flow cavity 14 is formed between the inner wall of the first opening 11 and the outer wall of the first plug 41, the inner wall of the second opening 12, and the outer wall of the second plug 42. When the valve body 4 moves downward under the pressure of the suction nozzle 1, the water flow cavity 14 connects with the water cavity 13. The first opening 11 and the first plug 41 are flush and matched to form a sealing configuration, leaving only a gap. The gap is closed under no external force, forming a one-way water outlet valve. In use, the user holds the suction mouthpiece 1 in their mouth and applies longitudinal force with their teeth to both ends of the annular groove 15 of the suction mouthpiece 1 (described in detail below), causing the valve body 4 to push inward (towards the first opening 11 and the second opening 12). This forms an opening in the water passage cavity 14 between the inner wall of the first opening 11 and the outer wall of the first plug 41, allowing fluid to flow out of the delivery pipe. When no external force is applied, the elasticity of the suction mouthpiece 1 closes the water passage cavity 14, preventing fluid leakage. Simultaneously, the second opening 12 and the second plug 42 are flush and matched to form a sealed configuration, leaving only a gap. This gap is closed when no external force is applied, forming a one-way water outlet valve. The arrangement of the second opening 12 and the second plug 42 further prevents liquid leakage.
[0037] In a preferred embodiment of this utility model, a conical platform 431 is provided on the water passage section 43 near the first plug 41. The outer surface of the suction mouth 1 is provided with an annular groove 15 corresponding to the position of the inner cavity of the conical platform 431. The annular groove 15 forms the biting part of the suction mouth 1, which can facilitate the user to bite. When the user bites the biting part of the suction mouth 1, the conical platform 431 of the valve body 4 receives an inward squeezing force. At the same time, due to the conical setting, the valve body 4 slides inward, so that the water passage cavity 14 between the first opening 11 and the first plug 41 opens, and the water passage cavity 14 between the second opening 12 and the second plug 42 opens, which makes it convenient for the user to suck the liquid in the water bag or water bottle.
[0038] In a preferred embodiment of this utility model, an elastic element 5 is also provided between the valve body 4 and the second opening 12. An extension section 432 extends outward from the outer wall of the water passage section 43, and an extension platform 16 for placing the elastic element 5 extends upward from the second opening 12. The elastic element 5 is sleeved on the outside of the valve body 4 and located between the extension section 432 and the extension platform 16. Under the elastic force of the elastic element 5, the valve body 4 is restricted from moving downward. At the same time, the elastic force allows the valve body 4 to be in a state of sealing the passage of the suction mouth 1 when the suction mouth 1 is not under force. It is worth noting that the elastic element 5 in this embodiment is a spring. When the suction mouth 1 is not subjected to force, the spring force can cause the first plug 41 to be in a state of sealing the first opening 11, that is, sealing the channel inside the suction mouth 1, and the second plug 42 to be in a state of sealing the second opening 12, that is, further sealing the channel inside the suction mouth 1. When the valve body 4 is pushed inward by an external force, the spring is in a contracted state, and the first plug 41 and the second plug 42 move with the push of the valve body 4, forming a water passage cavity 14, through which fluid can flow out.
[0039] In a preferred embodiment of this utility model, a limiting unit is further provided between the outer wall of the water passage section 43 and the connecting joint 3 to restrict the upward movement of the valve body 4 under the elastic force of the elastic element 5. The limiting unit includes a hook portion 433 disposed on the outer side of the water passage section 43 and a through hole 31 disposed on the side wall of the connecting joint 3. The hook portion 433 is movably disposed within the through hole 31. When the suction nozzle 1 is not under force, the elastic force of the spring supports the valve body 4 upward, and the hook portion 433 hooks the upper end of the through hole 31, so that the valve body 4 can be fixed within the channel of the suction nozzle 1.
[0040] In a preferred embodiment of this utility model, the outermost end of the suction nozzle 1 is provided with a conical opening that is adapted to the conical platform 431. The diameter of the first opening 11 gradually narrows from the second opening 12 along the direction of the first opening 11, and the outer diameter of the first plug 41 is adapted to the inner diameter of the first opening 11. The conical first opening 11 not only further restricts the upward movement of the valve body 4, but also forms an inward conical opening, so that the liquid is relatively concentrated when sucking liquid.
[0041] The diameter of the second opening 12 gradually widens from the second opening 12 along the direction of the first opening 11, and the outer diameter of the second plug 42 is matched with the inner diameter of the second opening 12. The reverse-narrowing second opening 12 further restricts the downward movement of the valve body 4.
[0042] In a preferred embodiment of the present invention, the valve body 4 has an extension post 44 extending downward near the second plug 42. The outer wall of the extension post 44 is provided with a first groove 441, and a rubber sealing ring 6 to prevent liquid leakage is tightly wrapped on the first groove 441.
[0043] In a preferred embodiment of this utility model, a limiting step 21 is provided on the inner side wall of the channel of the fixed bag mouth 2. The connecting joint 3 is provided with a first protruding ring 32 that is adapted to the limiting step 21 on the corresponding limiting step 21. The first protruding ring 32 engages with the limiting step 21 to fix the fixed bag mouth 2 and the connecting joint 3. The first protruding ring 32 or the limiting step 21 is made of elastic material. By applying a certain force, the first protruding ring 32 can be disengaged from the limiting step 21, thereby realizing the separation of the connecting joint 3 from the fixed bag mouth 2.
[0044] The lower end of the connector 3 is provided with a second groove 33. The second groove 33 is set close to the connection and fixing position of the connector 3 and the fixing bag mouth 2. The rubber sealing ring 6 to prevent liquid leakage is tightly wrapped on the second groove 33.
[0045] In a preferred embodiment of the present invention, the fixed bag mouth 2 includes a connecting section 22 connected to the connecting connector 3 and a fixed end 23 connected to the water bag or water bottle, wherein the axis of the connecting section 22 and the axis of the fixed section 23 coincide.
[0046] In a preferred embodiment of this utility model, a pull rope 71 and a protective cap 72 are connected to the suction nozzle 1 and are located at the extended end of the pull rope and can be fastened to the suction nozzle 1. The protective cap 72, by matching the shape of the suction nozzle 1, can be easily fitted onto the suction nozzle 1, forming a protective device for the suction nozzle 1, preventing dust from getting on it and further improving the sealing performance. A threaded connector is provided at the fixed end 23 of the fixed bag mouth 2 to tightly connect with the air delivery pipe. When it is necessary to suck out liquid from the water bag or water bottle, the user bites into the suction nozzle 1 and applies longitudinal force to both ends of the annular groove 15 of the suction nozzle 1 with their teeth. The valve body 4 is pushed inward, and the water passage chamber 14 is opened. At the same time, the rubber sealing ring 6 and the second plug 42 located at the lower end of the valve body 3 move downward as the valve body 4 is pushed inward, freeing up the position of the second opening to form an opening, that is, the water passage chamber 14 is opened here, and fluid can flow out from the delivery pipe. When the user releases the suction mouthpiece 1, under no external force, the elasticity of the spring causes the valve body 4 to return to its original position. This causes the rubber sealing ring 6 at the lower end of the valve body 3 and the second plug 42 to seal the second opening 12, preventing fluid leakage. This invention can be used in various appliances requiring liquid sealing, such as drinking water containers for outdoor activities like mountaineering, cycling, and travel. It can also be used as an oxygen mouthpiece for divers, making it widely applicable.
[0047] Example 2
[0048] Reference Figure 7 :
[0049] The only difference between this embodiment and Embodiment 1 is that:
[0050] The fixed mouthpiece 2 includes a connecting section 22 connected to the connecting connector 3 and a fixed end 23 connected to the water bag or water bottle. The included angle between the connecting section 22 and the fixed section 23 is 120-140 degrees, preferably 135°, that is, the included angle formed by the direction of the hose connecting the fixed mouthpiece 2 and the direction of the suction mouth 1 is 135°. This design is ergonomic, makes it easier to absorb water, and improves the user experience.
[0051] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A water bag nozzle, comprising a nozzle body connected to a water bag, characterized in that: The suction nozzle body includes a suction nozzle for sucking, a fixed bag mouth connected to the water bag, and a connecting joint for connecting the suction nozzle and the fixed bag mouth. The suction nozzle and the fixed bag mouth are respectively sleeved on both ends of the connecting joint. The suction nozzle, the connecting joint, and the fixed bag mouth are all provided with channels. The upper and lower ends of each channel are designed to be open, and the interiors of each channel are interconnected. A valve body for opening and closing the channel of the suction nozzle is provided in the channel of the suction nozzle. The valve body is movably disposed in the channel of the suction nozzle.
2. The water bag nozzle according to claim 1, characterized in that: The sucking nozzle includes a first opening away from the connecting joint and a second opening close to the connecting joint. The valve body includes a first plug for opening and closing the first opening, a second plug for opening and closing the second opening, and a water passage section connecting the first plug and the second plug. A water passage cavity is formed between the outer wall of the water passage section and the inner wall of the channel of the sucking nozzle. A water flow cavity is formed between the inner wall of the first opening and the outer wall of the first plug, and between the inner wall of the second opening and the outer wall of the second plug. When the valve body moves downward under the state of the sucking nozzle being squeezed, the water flow cavity is connected to the water passage cavity.
3. A water bag nozzle according to claim 2, characterized in that: A conical platform is provided on the water passage section near the first plug. The outermost end of the suction mouth is provided with a conical opening adapted to the conical platform. The outer surface of the suction mouth is provided with an annular groove corresponding to the position of the inner cavity of the cone. The annular groove forms the biting part of the suction mouth.
4. A water bag nozzle according to claim 2, characterized in that: An elastic element is also provided between the valve body and the second opening. An extension section extends outward from the outer wall of the water passage section. An extension platform extends upward from the second opening for placing the elastic element. The elastic element is sleeved on the outside of the valve body and located between the extension section and the extension platform. Under the elastic force of the elastic element, the valve body is restricted from moving downward, so that the valve body is in a state of sealing the channel of the suction nozzle.
5. A water bag nozzle according to claim 4, characterized in that: A limiting unit is also provided between the outer wall of the water passage section and the connecting joint to restrict the valve body from moving upward under the elastic force of the elastic element. The limiting unit includes a hook portion provided on the outer side of the water passage section and a through hole provided on the side wall of the connecting joint. The hook portion is movably provided in the through hole.
6. A water bag nozzle according to claim 2, characterized in that: The diameter of the first opening gradually narrows from the second opening along the direction of the first opening, and the outer diameter of the first plug is adapted to the inner diameter of the first opening; the diameter of the second opening gradually widens from the second opening along the direction of the first opening, and the outer diameter of the second plug is adapted to the inner diameter of the second opening.
7. A water bag nozzle according to claim 2, characterized in that: The valve body has an extension column extending downward near the second plug. The outer wall of the extension column is provided with a first groove, and a rubber sealing ring to prevent liquid leakage is tightly wrapped in the first groove.
8. A water bag nozzle according to claim 1, characterized in that: The inner side wall of the channel of the fixed bag mouth is provided with a limiting step, and the connecting joint is provided with a first protruding ring that is adapted to the limiting step on the limiting step. The first protruding ring engages with the limiting step to fix the fixed bag mouth and the connecting joint. The lower end of the connector is provided with a second groove, which is located close to the connection and fixing position of the connector and the fixing bag mouth. A rubber sealing ring to prevent liquid leakage is tightly wrapped in the second groove.
9. A water bag nozzle according to claim 1, characterized in that: The sucking mouth is connected to a pull rope and a protective cap that is located at the extended end of the pull rope and can be fastened to the sucking mouth.
10. A water bag nozzle according to claim 1, characterized in that: The fixed bag mouth includes a connecting end connected to the connecting connector and a fixed end connected to the water bag, and the included angle between the connecting end and the fixed end is 120-140 degrees.